Home / 437,530.20-656,295.30-326,938.20

Finding the Fourth Proportional to 437,530.20, 656,295.30 and 326,938.20

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Solution

The fourth proportional to 437,530.20, 656,295.30 and 326,938.20 is: 490,407.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,530.20 : 656,295.30 = 326,938.20 : x
  2. Step 2: Convert to fraction form
    437,530.20/656,295.30 = 326,938.20/x
  3. Step 3: Cross multiply
    437,530.20x = 656,295.30 × 326,938.20
  4. Step 4: Simplify right side
    437,530.20x = 214,568,004,050.46
  5. Step 5: Solve for x
    x = 214,568,004,050.46/437,530.20
  6. Step 6: Final answer
    x = 490,407.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.